65706338 has 4 divisors (see below), whose sum is σ = 98559510. Its totient is φ = 32853168.

The previous prime is 65706337. The next prime is 65706341. The reversal of 65706338 is 83360756.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57714409 + 7991929 = 7597^2 + 2827^2 .

It is not an unprimeable number, because it can be changed into a prime (65706337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16426583 + ... + 16426586.

Almost surely, 2^65706338 is an apocalyptic number.

65706338 is a deficient number, since it is larger than the sum of its proper divisors (32853172).

65706338 is a wasteful number, since it uses less digits than its factorization.

65706338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32853171.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 65706338 is about 8105.9446087424. The cubic root of 65706338 is about 403.5237378594.

The spelling of 65706338 in words is "sixty-five million, seven hundred six thousand, three hundred thirty-eight".